All industry is made up of four sectors that are a linked together like a chain: primary, secondary, tertiary and quaternary ... water or other natural resources are used to generate power for ...

They include the primary, secondary, tertiary, and quarternary sectors ... engaged in the extraction and harvesting of natural resources. Mining and agriculture are examples.

There are four main types of industry: primary, secondary, tertiary and quaternary ... water or other natural resources are used to generate power for our homes and businesses.

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Share on Pinterest A primary payer is the insurer that pays a healthcare bill first. A secondary payer covers remaining costs, such as coinsurances or copayments. When you become eligible for ...